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-rw-r--r--Source/CMakeVersion.cmake88
1 files changed, 45 insertions, 43 deletions
diff --git a/Source/CMakeVersion.cmake b/Source/CMakeVersion.cmake
index 092f64d..9e785da 100644
--- a/Source/CMakeVersion.cmake
+++ b/Source/CMakeVersion.cmake
@@ -19,55 +19,57 @@ else()
set(CMake_VERSION_IS_RELEASE 0)
endif()
-# If this source was exported by 'git archive', use its commit info.
-set(git_info [==[$Format:%h %s$]==])
+if(NOT CMake_VERSION_NO_GIT)
+ # If this source was exported by 'git archive', use its commit info.
+ set(git_info [==[$Format:%h %s$]==])
-# Otherwise, try to identify the current development source version.
-if(NOT git_info MATCHES "^([0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]?[0-9a-f]?)[0-9a-f]* "
- AND EXISTS ${CMake_SOURCE_DIR}/.git)
- find_package(Git QUIET)
- if(GIT_FOUND)
- macro(_git)
- execute_process(
- COMMAND ${GIT_EXECUTABLE} ${ARGN}
- WORKING_DIRECTORY ${CMake_SOURCE_DIR}
- RESULT_VARIABLE _git_res
- OUTPUT_VARIABLE _git_out OUTPUT_STRIP_TRAILING_WHITESPACE
- ERROR_VARIABLE _git_err ERROR_STRIP_TRAILING_WHITESPACE
- )
- endmacro()
- endif()
- if(COMMAND _git)
- # Get the commit checked out in this work tree.
- _git(log -n 1 HEAD "--pretty=format:%h %s" --)
- set(git_info "${_git_out}")
+ # Otherwise, try to identify the current development source version.
+ if(NOT git_info MATCHES "^([0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]?[0-9a-f]?)[0-9a-f]* "
+ AND EXISTS ${CMake_SOURCE_DIR}/.git)
+ find_package(Git QUIET)
+ if(GIT_FOUND)
+ macro(_git)
+ execute_process(
+ COMMAND ${GIT_EXECUTABLE} ${ARGN}
+ WORKING_DIRECTORY ${CMake_SOURCE_DIR}
+ RESULT_VARIABLE _git_res
+ OUTPUT_VARIABLE _git_out OUTPUT_STRIP_TRAILING_WHITESPACE
+ ERROR_VARIABLE _git_err ERROR_STRIP_TRAILING_WHITESPACE
+ )
+ endmacro()
+ endif()
+ if(COMMAND _git)
+ # Get the commit checked out in this work tree.
+ _git(log -n 1 HEAD "--pretty=format:%h %s" --)
+ set(git_info "${_git_out}")
+ endif()
endif()
-endif()
-# Extract commit information if available.
-if(git_info MATCHES "^([0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]?[0-9a-f]?)[0-9a-f]* (.*)$")
- # Have commit information.
- set(git_hash "${CMAKE_MATCH_1}")
- set(git_subject "${CMAKE_MATCH_2}")
+ # Extract commit information if available.
+ if(git_info MATCHES "^([0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]?[0-9a-f]?)[0-9a-f]* (.*)$")
+ # Have commit information.
+ set(git_hash "${CMAKE_MATCH_1}")
+ set(git_subject "${CMAKE_MATCH_2}")
- # If this is not the exact commit of a release, add dev info.
- if(NOT "${git_subject}" MATCHES "^[Cc][Mm]ake ${CMake_VERSION}$")
- set(CMake_VERSION "${CMake_VERSION}-g${git_hash}")
- endif()
+ # If this is not the exact commit of a release, add dev info.
+ if(NOT "${git_subject}" MATCHES "^[Cc][Mm]ake ${CMake_VERSION}$")
+ set(CMake_VERSION "${CMake_VERSION}-g${git_hash}")
+ endif()
- # If this is a work tree, check whether it is dirty.
- if(COMMAND _git)
- _git(update-index -q --refresh)
- _git(diff-index --name-only HEAD --)
- if(_git_out)
- set(CMake_VERSION_IS_DIRTY 1)
+ # If this is a work tree, check whether it is dirty.
+ if(COMMAND _git)
+ _git(update-index -q --refresh)
+ _git(diff-index --name-only HEAD --)
+ if(_git_out)
+ set(CMake_VERSION_IS_DIRTY 1)
+ endif()
+ endif()
+ else()
+ # No commit information.
+ if(NOT CMake_VERSION_IS_RELEASE)
+ # Generic development version.
+ set(CMake_VERSION "${CMake_VERSION}-git")
endif()
- endif()
-else()
- # No commit information.
- if(NOT CMake_VERSION_IS_RELEASE)
- # Generic development version.
- set(CMake_VERSION "${CMake_VERSION}-git")
endif()
endif()